testcases:
  - name: "testcase 1"
    inputs:
    - 1 : 5
    output: 
    - 1 : 8

  - name: "testcase 2"
    inputs:
    - 1: 10
    output:
    - 1 : 89

  - name: "testcase 3"
    inputs:
    - 1 : 30
    output: 
    - 1 : 1346269

  - name: "testcase 4"
    inputs:
    - 1: 42
    output:
    - 1 : 433494437

  - name: "testcase 5"
    inputs:
    - 1 : 9
    output: 
    - 1 : 55