const fs = require('fs');
const input = fs.readFileSync("/dev/stdin").toString().split(' ');
solution(input);
function solution (input) {
if (input.join('') === input.concat().sort().join('')) {
console.log('ascending');
} else if (input.join('') === input.concat().sort((a, b) => b - a).join('')) {
console.log ('descending');
} else console.log('mixed');
}