part_fixe = 1000
part_variable = 50
mois = 1
salaire = part_fixe + part_variable
print(mois, salaire)

while part_fixe + part_variable < 1300 :
    mois = mois + 1
    part_variable = part_variable + 10
    salaire = part_fixe + part_variable
    print(mois, salaire)