#include<stdio.h>
int main()
{
   int a[6];
   printf("Please input 6 numbers:\n");
   for(int i=1;i<=6;i++)
      {
           scanf("%d",&a[i]);
           if(a[i]>a[i+1])
               {
                  t=a[i];
                  a[i]=a[i+1];
                  a[i+1]=t;
               };
      };
      printf("%d",a[1]);
};