#include <stdio.h>
int main()
{
long long int n, i, temp, max1, max2;
long long int a[100000];
for(i=0;i<n;i++){
if(a>max1)
{
max2=max1;
max1=a;
}
else if(a>max2 && a<max1)
{
max2=a;
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbigpCnsKICAgIGxvbmcgbG9uZyBpbnQgbiwgaSwgdGVtcCwgbWF4MSwgbWF4MjsKICAgIGxvbmcgbG9uZyBpbnQgYVsxMDAwMDBdOwogICAgCiAgICBzY2FuZigiJWxsZCIsICZuKTsKICAgIAogICAgZm9yKGk9MDtpPG47aSsrKXsKICAgICAgICAKICAgICAgICBzY2FuZigiJWxsZCIsICZhKTsKCiAgICAgICAgaWYoYT5tYXgxKQogICAgICAgIHsKICAgICAgICAgICAgbWF4Mj1tYXgxOwogICAgICAgICAgICBtYXgxPWE7CiAgICAgICAgfQogICAgICAgIGVsc2UgaWYoYT5tYXgyICYmIGE8bWF4MSkKICAgICAgICB7CiAgICAgICAgICAgIG1heDI9YTsKICAgICAgICB9CiAgICB9CgogICAgCiAgICBwcmludGYoIiVsbGRcbiIsIG1heDIpOwoKICAgIHJldHVybiAwOwp9