#!/bin/bash

for i in `seq 1 100`;
do
    if [ "`expr $i % 21`" == "0" ]
    then
        echo "ConGranos"
    elif [ "`expr $i % 3`" == "0" ]
    then
        echo "Con"
    elif [ "`expr $i % 7`" == "0" ]
    then
         echo "Granos"
     else
         echo "$i"
     fi

 done