import std;

void main () {
    int X, Y; readln.read(X, Y);

    int N = X * Y;
    auto edges = new Tuple!(int, int)[](0);
    foreach (i; 0 .. X) {
        edges ~= tuple(i, (i + 1) % X);
    }

    int pad = X;
    foreach (i; 0 .. X) {
        edges ~= tuple(i, pad);
        foreach (j; 0 .. Y - 2) {
            edges ~= tuple(pad + j, pad + j + 1);
        }

        pad += Y - 2 + 1;
    }

    foreach (ref e; edges) {
        e[0]++;
        e[1]++;
    }
    writeln(N, " ", N);
    foreach (e; edges) {
        writeln(e[0], " ", e[1]);
    }
}

void read (T...) (string S, ref T args) {
    import std.conv : to;
    import std.array : split;
    auto buf = S.split;
    foreach (i, ref arg; args) {
        arg = buf[i].to!(typeof(arg));
    }
}