#include "testlib.h"
#include <bits/stdc++.h>

using namespace std;

#define forn(i, n) for (int i = 0; i < int(n); i++)
#define x first
#define y second
#define pb(a) push_back(a)
#define all(a) (a).begin(), (a).end()
#define sz(a) int((a).size())
#define mp(x, y) make_pair((x), (y))

typedef long long li;

inline li toLong(char* s) {
    li ans = 0;
    while (*s) ans = ans * 10 + int(*s - '0'), s++;
    return ans;
}

typedef pair<int, int> pt;

int main(int argc, char* argv[]) {
    registerGen(argc, argv, 1);

    int n = atoi(argv[1]);
    int m = atoi(argv[2]);
    int per = atoi(argv[3]);

    cout << n << ' ' << m << endl;
    forn(i, n) {
        forn(j, m) {
            int v = rnd.next(0, 100);
            if (v <= per) putchar('.');
            else putchar('*');
        }
        puts("");
    }

    return 0;
}