/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d+%d=%d\n", a,b,a+b);
printf("%d-%d=%d\n", a,b,a-b);
printf("%d*%d=%d\n", a,b,a*b);
printf("%d/%d=%d\n", a,b,a/b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%.1f",(float)a*b/2);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d %d",a/60,a%60);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%.3f",(float)9/5*a+32);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d", a>=b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a==b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a!=b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d.%d",&a,&b);
printf("%d\n%d",a,b);
}
a>b 참 1 거짓 0
0 -- 거짓
0이 아닌 모든수 --참
논리연산자 참 거짓
not 아니다 !
!1 --> 0
!0 --> 1
!80 --> 0
and 그리고 &&
a b a&&b
0 0 0
0 1 0
1 0 0
1 1 1
or 또는 ||
a b a||b
0 0 0
0 1 1
1 0 1
1 1 1
*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",!a);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a&&b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a||b);
}*/
/*#include <stdio.h>
int main()
{
float a,b;
scanf("%f %f",&a,&b);
printf("%.2f",a*b);
}*/
/*#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%.2f",(float)(a+b+c)/3);
}*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",!a);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a&&b);
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a||b);
}*/
/*
#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a>=7 || a==5)
{
printf("hello");
}
else if(a>=5)
{
printf("hi");
}
else
{
printf("world");
}
}
*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
if (a<10)
{
printf("small");
}
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
if (a>b)
{
printf(">");
}
else if(a<b)
{
printf("<");
}
else
{
printf("=");
}
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
if (b>a)
{
printf("%d",b-a);
}
else
{
printf("%d",a-b);
}
}*/
/*#include <stdio.h>
int main()
{
double a;
scanf("%lf",&a);
if (50<=a && a<=60)
{
printf("win");
}
else
{
printf("lose");
}
}*/