···

include [HTML_REMOVED]

using namespace std;

int main(){

int n , m ;
cin >> n >> m;
for(int i = 0, k = 1; i< n ; i++){//循环n次
    for(int j = 0; j < m-1; j++){//循环m-1次
        cout << k << ' ';
        k++;
    }
    cout << "PUM" << endl;
    k++;
}

return 0;

}
···