#include <iostream>
#include <cmath>
using namespace std;
int main( )
{
int Y, N, A, B, C, M, Q, S, W, DATE;
cout<<"Enter year\n";
cin>>Y;
N = Y - 1900;
A = N- (N/19)*19;
B = (7 * A + 1)/19;
C = (11 * A) + (4.0 - B);
M = C - (C / 29)*29;
Q = N /4.0;
S = N + Q + 31 - M;
W = S - (S / 7) * 7;
DATE = 25 - M - W;
if(DATE == 0)
{
cout<<"Easter is March, 31"<<endl;
}
else if(DATE < 0)
{
DATE += 31;
cout<<"Easter is March, "<<DATE<<endl;
}
else if(DATE > 0)
{
cout<<"Easter is april, "<<DATE<<endl;
}
}
