What is the O/p ??#include stdio.h void solve() { int first = 30, second = 60; int third = first + second; { int third = second - first; printf('%d ', third); } printf('%d', third); } int main() { solve(); return 0; }

What is the O/p ??

#include stdio.h
void solve() {
int first = 30, second = 60;
int third = first + second;
{
int third = second - first;
printf("%d ", third);
}
printf("%d", third);
}
int main() {
solve();
return 0;
}