Problem #PRU-103825

Problemas Álgebra y aritmética Aritmética. Cálculo mental Métodos Ejemplos y contraejemplos. Pruebas constructivas Matemáticas discretas Teoría de algoritmos Teoría de algoritmos (otros)

Problem

Three hedgehogs divided three pieces of cheese of mass of 5g, 8g and 11g. The fox began to help them. It can cut off and eat 1 gram of cheese from any two pieces at the same time. Can the fox leave the hedgehogs equal pieces of cheese?