#include<stdio.h>
int main()
{
    int num1,num2;
    if(scanf("%d",&num1)!=1 || scanf("%d",&num2)!=1)
    {
        printf("Invalid input");
    }
    scanf("%d",&num1);
    scanf("%d",&num2);
    if(num2>num1)
    {
        printf("%d",&num1);
    }
    else (num2>num1)
    {
        printf("%d",&num2);
    }
  
}