/* zadanie domowe: nr.3 - Laboratorium_C-4 */
#include<stdio.h>
main()
{ int a, b, c, pom;
  scanf("%d %d %d", &a, &b, &c);
  if(a<b){pom=a;a=b;b=pom;};
  if(a<c){pom=a;a=c;c=pom;};
  if (a<b+c) printf("mozna");
   else printf("nie mozna");  
  return 0;
}