/*#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include <stdio.h>
int main()
{
int y,m,d;
scanf("%d.%d.%d",&y,&m,&d);
printf("%02d-%02d-%04d",d,m,y);
return 0;
}
실수
1.11111
%f 소수점 아래 6자리 무조건 출력
%.2f 소수점 아래 2자리까지만 출력
*/
/*
#include <stdio.h>
int main()
{
float x;
scanf("%f",&x);
printf("%.2f",x);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d %d %d", a, a, a);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int y,m;
scanf("%d-%d",&y,&m);
printf("%06d%07d",y,m);
return 0;
}*/
/*#include <stdio.h>
int main()
{
unsigned int n;
scanf("%u",&n);
printf("%u",n);
return 0;
}*/
/*#include <stdio.h>
int main()
{
long long int n;
scanf("%lld",&n);
printf("%lld",n);
return 0;
}
산술연산자
+ - * / %
printf("%d",a+b); (overflow발생가능!!)
printf("%lld",(long long int)a+b);
강제형변환 (int -> long long int)
*/
/*#include <stdio.h>
int main()
{
long long int a,b;
scanf("%lld %lld",&a,&b);
printf("%lld",a+b);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int x,g;
scanf("%d %d",&x,&g);
printf("%lld",(long long int)x+g);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",-a);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a/b);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a%b);
return 0;
}*/