/*
#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",a+b);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
float a,b;
scanf("%f %f",&a,&b);
printf("%.2f",a*b);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",a*24);
return 0;
}
산술연산자
+ - * / %
int + int -> int ( overflow 오버플로)
long long int + int -> long long int
a+b -> int
(long long int)a + b -> long long int
강제형변환
int -2147483648 ~ +2147483647
정수 / 정수 -> 정수
5 / 2 -> 2 (몫)
5 % 2 -> 1 (나머지)
(float) 5 / 2 -> 2.5 (실수)
*/
/*
#include <stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%lld",(long long int)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()
{
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("%lld\n",(long long int)a+b);
printf("%d\n",a-b);
printf("%lld\n",(long long int)a*b);
printf("%d\n",a/b);
printf("%d\n",a%b);
printf("%.2f\n",(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",a+b+c);
printf("%.1f\n",(float)(a+b+c)/3);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int a,b;
scanf("%lld %lld",&a,&b);
printf("%lld+%lld=%lld\n",a,b,a+b);
printf("%lld-%lld=%lld\n",a,b,a-b);
printf("%lld*%lld=%lld\n",a,b,a*b);
printf("%lld/%lld=%lld\n",a,b,a/b);
return 0;
}
*/
/*
#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,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%.2f",(float)(a+b+c)/3);
return 0;
}
*/