杭电acm2107

#include <stdio.h>
int main() {
long n, i, max, temp;
while(~scanf("%d", &n) && n) {
i = n - 1;
while(n--) {
scanf("%ld", &temp);
if(n == i) {
max = temp;
} else if(max < temp)
max = temp;
}
printf("%ldn", max);
}
return 0;
}