/*
#include <stdio.h>
long long int n;
long long int f(long long int k)
{
long long int m=0;
while (n!=0)
{
m=m*10+n%10;
n=n/10;
}
return m;
}
int main()
{
scanf("%lld", &n);
printf("%lld\n", f(n));
}
*/
/*
#include <stdio.h>
int n, m;
long long int f(int a, int b)
{
return(long long int)a+b;
}
int main()
{
scanf("%d%d", &n, &m);
printf("%lld\n", f(n, m));
}
*/
/*
#include <stdio.h>
long long int n, m;
long long int f(long long int a,long long int b)
{
if(a>b)
{
return(long long int)a-b;
}
else if(a==b)
{
return 0;
}
else
{
return(long long int)b-a;
}
}
int main()
{
scanf("%lld%lld", &n, &m);
printf("%lld\n", f(n, m));
}
*/
/*
#include <stdio.h>
int n, m;
int max(int p, int q)
{
return p>=q?p:q;
}
int main()
{
scanf("%d%d", &n, &m);
printf("%d\n", max(n, m));
}
*/
/*
#include <stdio.h>
int n, m;
int min(int p, int q)
{
return p<=q?p:q;
}
int main()
{
scanf("%d%d", &n, &m);
printf("%d\n", min(n, m));
}
*/