#include using namespace std; typedef long long ll; typedef long double ld; typedef pair PP; // #define MOD 1000000007 #define MOD 998244353 #define INF 2305843009213693951 #define PI 3.141592653589 #define setdouble setprecision #define REP(i,n) for(ll i=0;i<(n);++i) #define OREP(i,n) for(ll i=1;i<=(n);++i) #define RREP(i,n) for(ll i=(n)-1;i>=0;--i) #define ORREP(i,n) for(ll i=(n);i>=1;--i) #define rep(i,a,b) for(ll i=(a);i<=(b);++i) #define ALL(v) (v).begin(), (v).end() #define chmin(k,m) k = min(k,m) #define chmax(k,m) k = max(k,m) #define GOODBYE do { cout << "-1" << endl; return 0; } while (false) #define MM <<" "<< #define Endl endl int main(void){ //cin.tie(nullptr); //ios::sync_with_stdio(false); ll X,Y; cin >> X >> Y; cout << X*Y MM X*Y << endl; REP(i,X){ cout << (i)+1 MM ((i+1)%X)+1 << endl; } REP(j,Y-1){ REP(i,X){ cout << ((j+0)*X + i)+1 MM (j+1)*(X) +(i)+1 << endl; } } return 0; }