# BRUTE FORCE IMPLEMENTATION
# def permutation(s1,s2):
#     if(len(s1)!=len(s2)):
#         return "not permutation"
#     for i in range(0,len(s1)):
#         count=0;
#         for j in range(0,len(s2)):
#             if(s1[i]==s2[j]):
#                 count=count+1
#         if(count==0):
#             return "not permutation"
#     return "permutation"
#
# print(permutation("sur","rajasup"))
