/*#include <stdio.h>
int main()
{
int a,s;
scanf("%d.%d",&a,&s);
printf("%d\n%d",a,s);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
long long int a,s;
scanf("%lld %lld",&a,&s);
printf("%lld",a,s);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
long long int a,s;
scanf("%lld %lld",&a,&s);
printf("%lld",a+s);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
long long int a;
scanf("%lld",&a);
printf("%lld",-a);
return 0;
}*/
/*#include <stdio.h>
int main()
{
char a;
scanf("%c",&a);
printf("%c",a+1);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
long long int a,s;
scanf("%d %d",&a,&s);
printf("%d",a/s);
return 0;
}*/