class Solution {
public int solution(int n, int t) {
int answer = 0;
return answer;
}
}
class Solution {
public int solution(int n, int t) {
return (int)(Math.pow(2, t)) * n;
}
}
class Solution {
public int solution(int n, int t) {
for (int i = 0; i < t; i++) {
n *= 2;
}
return n;
}
}