#include
using namespace std;
int n,m;
int mat[100][100];
int dp[100][100];
pair path[100][100];
int rek(int i,int j)
{
if(i==n-1 && j==n-1)
{
path[i][j] = make_pair(i, j);
return mat[i][j];
}
if(dp[i][j]!=-1)
{
return dp[i][j];
}
int maks=-2e9;
int desno = -2e9;
int dole = -2e9;
if(j+1 desno) {
path[i][j] = make_pair(i + 1, j);
}
else {
path[i][j] = make_pair(i, j + 1);
}
dp[i][j]=maks;
return maks;
}
int main()
{
cin>>n>>m;
for(int i=0;i>mat[i][j];
}
}
for(int i=0;i at = make_pair(0, 0); at != make_pair(n - 1, m - 1); at = make_pair(path[at.first][at.second].first, path[at.first][at.second].second)) {
cout << at.first + 1<< " " << at.second + 1<< endl;
}
cout << n << " " << m << endl;
return 0;
}