/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int h,m;
scanf("%d:%d",&h,&m);
printf("%d:%d",h,m);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,h;
scanf("%d-%d",&a,&h);
printf("%06d%07d",a,h);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
long long int n;
scanf("%lld",&n);
printf("%lld",n);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int n,h;
scanf("%d%d",&n,&h);
printf("%lld",(long long int)n+h);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
long long int n,h;
scanf("%lld%lld",&n,&h);
printf("%lld",n+h);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",-a);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%lld",(long long int)a+1);
}
*/
/*
#include<stdio.h>
int main()
{
int a,h;
scanf("%d %d",&a,&h);
printf("%d",a/h);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,h;
scanf("%d %d",&a,&h);
printf("%d",a%h);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,h,s;
scanf("%d %d %d",&a,&h,&s);
printf("%lld\n",(long long int)a+h+s);
printf("%.1f",(a+h+s)/3.0);
return 0;
}
*/
nathan0206@naver.com