/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int a;
long long int b;
scanf("%d",&a);
b=(long long int)a+1;
printf("%lld",b);
return 0;
}
*/
/*
#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()
{
double a,b;
scanf("%lf %lf",&a,&b);
printf("%.2lf",a*b);
return 0;
}
*/
/*
#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()
{
long long int a,b;
scanf("%lld %lld",&a,&b);
printf("%lld",a%b);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int a,b;
scanf("%lld%lld",&a,&b);
printf("%lld\n",a+b);
printf("%lld\n",a-b);
printf("%lld\n",a*b);
printf("%lld\n",a/b);
printf("%lld\n",a%b);
printf("%.2f",(float)a/b);
return 0;
}
#include <stdio.h>
int main()
{
long long int a,b,c;
scanf("%lld %lld %lld",&a,&b,&c);
printf("%lld\n%.1f",a+b+c,(float)(a+b+c)/3);
return 0;
}
+ - * / %
a+b
비교연산자
> <
>= <=
!=(다르다) ==(같다)
printf("%d",150>80);
참 1
거짓 0
5!=8 1
9==8 0
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);
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;
}
*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a!=b);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
double a,b;
scanf("%lf %lf",&a,&b);
printf("%.1lf",a*b/2);
return 0;
}
*/